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5.18.3 Runtime Options

Guile's runtime behaviour can be modified by setting options. For example, is the language that Guile accepts case sensitive, or should the debugger automatically show a backtrace on error?

Guile has two levels of interface for managing options: a low-level control interface, and a user-level interface which allows the enabling or disabling of options.

Moreover, the options are classified in groups according to whether they configure reading, printing, debugging or evaluating.